Speaker



FIG. 1 is a perspective view of a speaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is second perspective view of the speaker showing my new design;

FIG. 9 is third perspective view of the speaker showing my new design in use; and,

FIG. 10 is fourth perspective view of the speaker showing my new design in another use. 

The ornamental design for a speaker, as shown and described. 